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                <blockquote>
<p><a target="_blank" rel="noopener" href="https://github.com/xmxe/spring-security">github地址</a></p>
</blockquote>
<h3 id="HttpSecurity常用方法"><a href="#HttpSecurity常用方法" class="headerlink" title="HttpSecurity常用方法"></a>HttpSecurity常用方法</h3><table>
<thead>
<tr>
<th><a target="_blank" rel="noopener" href="https://blog.csdn.net/qq_52006948/article/details/122729236">HttpSecurity常用方法</a></th>
<th>说明</th>
</tr>
</thead>
<tbody><tr>
<td>openidLogin()</td>
<td>用于基于OpenId的验证</td>
</tr>
<tr>
<td>headers()</td>
<td>将安全标头添加到响应</td>
</tr>
<tr>
<td>cors()</td>
<td>配置跨域资源共享（CORS）</td>
</tr>
<tr>
<td>sessionManagement()</td>
<td>允许配置会话管理</td>
</tr>
<tr>
<td>portMapper()</td>
<td>允许配置一个PortMapper(HttpSecurity#(getSharedObject(class)))，其他提供SecurityConfigurer的对象使用PortMapper从HTTP重定向到HTTPS或者从HTTPS重定向到HTTP。默认情况下，Spring Security使用一个PortMapperImpl映射HTTP端口8080到HTTPS端口8443，HTTP端口80到HTTPS端口443</td>
</tr>
<tr>
<td>jee()</td>
<td>配置基于容器的预认证。在这种情况下，认证由Servlet容器管理</td>
</tr>
<tr>
<td>x509()</td>
<td>配置基于x509的认证</td>
</tr>
<tr>
<td>rememberMe</td>
<td>允许配置“记住我”的验证</td>
</tr>
<tr>
<td>authorizeRequests()</td>
<td>允许基于使用HttpServletRequest限制访问</td>
</tr>
<tr>
<td>requestCache()</td>
<td>允许配置请求缓存</td>
</tr>
<tr>
<td>exceptionHandling()</td>
<td>允许配置错误处理</td>
</tr>
<tr>
<td>securityContext()</td>
<td>在HttpServletRequests之间的SecurityContextHolder上设置SecurityContext的管理。当使用WebSecurityConfigurerAdapter时，这将自动应用</td>
</tr>
<tr>
<td>servletApi()</td>
<td>将HttpServletRequest方法与在其上找到的值集成到SecurityContext中。当使用WebSecurityConfigurerAdapter时，这将自动应用</td>
</tr>
<tr>
<td>csrf()</td>
<td>添加CSRF支持，使用WebSecurityConfigurerAdapter时，默认启用</td>
</tr>
<tr>
<td>logout()</td>
<td>添加退出登录支持。当使用WebSecurityConfigurerAdapter时，这将自动应用。默认情况是，访问URL”&#x2F;logout”，使HTTP Session无效来清除用户，清除已配置的任何#rememberMe()身份验证，清除SecurityContextHolder，然后重定向到”&#x2F;login?success”</td>
</tr>
<tr>
<td>anonymous()</td>
<td>允许配置匿名用户的表示方法。当与WebSecurityConfigurerAdapter结合使用时，这将自动应用。默认情况下，匿名用户将使用org.springframework.security.authentication.AnonymousAuthenticationToken表示，并包含角色“ROLE_ANONYMOUS”</td>
</tr>
<tr>
<td>formLogin()</td>
<td>指定支持基于表单的身份验证。如果未指定FormLoginConfigurer#loginPage(String)，则将生成默认登录页面</td>
</tr>
<tr>
<td>oauth2Login()</td>
<td>根据外部OAuth 2.0或OpenID Connect1.0提供程序配置身份验证</td>
</tr>
<tr>
<td>requiresChannel()</td>
<td>配置通道安全。为了使该配置有用，必须提供至少一个到所需信道的映射</td>
</tr>
<tr>
<td>httpBasic()</td>
<td>配置Http Basic验证</td>
</tr>
<tr>
<td>addFilterAt()</td>
<td>在指定的Filter类的位置添加过滤器</td>
</tr>
</tbody></table>
<hr>
<h3 id="Spring-Security认证流程"><a href="#Spring-Security认证流程" class="headerlink" title="Spring Security认证流程"></a>Spring Security认证流程</h3><ol>
<li><p>Spring Security支持多种用户认证的方式，最常用的是基于用户名和密码的用户认证方式，其认证流程如下图所示：</p>
<p> <img src="/blog/images/rzlc.png"></p>
</li>
<li><p>“记住我”功能的认证流程如下图所示：</p>
<p> <img src="/blog/images/rememberme.png"></p>
</li>
<li><p>Spring Security的用户认证流程是由一系列的过滤器链来实现的，默认的关于用户认证的过滤器链大致如下图所示：</p>
<p> <img src="/blog/images/filterchain.png"></p>
</li>
</ol>
<table>
<thead>
<tr>
<th>SpringSecurity采用的是责任链的设计模式，</th>
<th>它有一条很长的过滤器链。</th>
</tr>
</thead>
<tbody><tr>
<td>WebAsyncManagerIntegrationFilter</td>
<td>将Security上下文与Spring Web中用于处理异步请求映射的WebAsyncManager进行集成。</td>
</tr>
<tr>
<td>SecurityContextPersistenceFilter</td>
<td>在每次请求处理之前将该请求相关的安全上下文信息加载到SecurityContextHolder中，然后在该次请求处理完成之后，将SecurityContextHolder中关于这次请求的信息存储到一个“仓储”中，然后将SecurityContextHolder中的信息清除，例如在Session中维护一个用户的安全信息就是这个过滤器处理的。</td>
</tr>
<tr>
<td>HeaderWriterFilter</td>
<td>用于将头信息加入响应中</td>
</tr>
<tr>
<td>CsrfFilter</td>
<td>用于处理跨站请求伪造</td>
</tr>
<tr>
<td>LogoutFilter</td>
<td>用于处理退出登录</td>
</tr>
<tr>
<td>UsernamePasswordAuthenticationFilter</td>
<td>用于处理基于表单的登录请求，从表单中获取用户名和密码。默认情况下处理来自&#x2F;login的请求。从表单中获取用户名和密码时，默认使用的表单name值为username和password，这两个值可以通过设置这个过滤器的usernameParameter和passwordParameter两个参数的值进行修改</td>
</tr>
<tr>
<td>DefaultLoginPageGeneratingFilter</td>
<td>如果没有配置登录页面，那系统初始化时就会配置这个过滤器，并且用于在需要进行登录时生成一个登录表单页面。</td>
</tr>
<tr>
<td>BasicAuthenticationFilter</td>
<td>检测和处理http basic认证</td>
</tr>
<tr>
<td>RequestCacheAwareFilter</td>
<td>用来处理请求的缓存</td>
</tr>
<tr>
<td>SecurityContextHolderAwareRequestFilter</td>
<td>主要是包装请求对象request</td>
</tr>
<tr>
<td>AnonymousAuthenticationFilter</td>
<td>检测SecurityContextHolder中是否存在Authentication对象，如果不存在为其提供一个匿名Authentication</td>
</tr>
<tr>
<td>SessionManagementFilter</td>
<td>管理session的过滤器</td>
</tr>
<tr>
<td>ExceptionTranslationFilter</td>
<td>处理AccessDeniedException和AuthenticationException异常。</td>
</tr>
<tr>
<td>FilterSecurityInterceptor</td>
<td>可以看做过滤器链的出口</td>
</tr>
<tr>
<td>RememberMeAuthenticationFilter</td>
<td>当用户没有登录而直接访问资源时,从cookie里找出用户的信息,如果Spring Security能够识别出用户提供的remember me cookie,用户将不必填写用户名和密码,而是直接登录进入系统，该过滤器默认不开启。</td>
</tr>
</tbody></table>
<blockquote>
<p><a target="_blank" rel="noopener" href="https://blog.csdn.net/u011066470/article/details/119086893">spring security的认证和授权流程</a><br><a target="_blank" rel="noopener" href="https://zhuanlan.zhihu.com/p/502290821">一文带你搞懂Spring Security认证授权流程</a></p>
</blockquote>
<hr>
<h3 id="Spring-Security登录流程"><a href="#Spring-Security登录流程" class="headerlink" title="Spring Security登录流程"></a>Spring Security登录流程</h3><ol>
<li>用户在页面输入账户密码并提交。</li>
<li>UsernamePasswordAuthenticationFilter拦截认证请求并获取用户输入的账号和密码，<br>然后创建一个未认证的Authentication对象并交给AuthenticationManager进行认证。</li>
<li>AuthenticationManager调用相应的AuthenticationProvider对象对未认证的Authentication对象进行认证。</li>
<li>AuthenticationProvider从未认证的Authentication对象中获取用户输入的账号，并调用UserDetailsService对象查询该账号的正确信息，然后检查用户输入的账号信息与正确的账号信息是否相同–(UserDetailsService查询用户所输入的账号所对应的正确的密码和角色等信息并封装成UserDetails对象，然后返回给AuthenticationProvider进行认证)，如果不相同则认证失败并返回，如果相同认证成功并创建一个已认证的Authentication对象。<br>调用链<br>AuthenticationManager.authenticate()–&gt;ProviderManager.authenticate()–&gt;DaoAuthenticationProvider(AbstractUserDetailsAuthenticationProvider).authenticate()处理。<br>在最后的authenticate()⽅法中，调⽤了UserDetailsService.loadUserByUsername()并进⾏了密码校验，校验成功就构造⼀个认证过的UsernamePasswordAuthenticationToken对象放⼊SecurityContext。</li>
<li>SecurityContext将已认证的Authentication对象保存在Spring Security上下文环境中表示用户已认证。</li>
</ol>
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